Re: Failures in constraints regression test, "read only 0 of 8192 bytes" - Mailing list pgsql-hackers

On 21/06/2024 02:25, Heikki Linnakangas wrote:
> Hmm, looking closer, I think this might be a more appropriate place for
> the RelationCloseSmgr() call:
> 
>>             /*
>>              * If it's a mapped relation, immediately update its rd_locator in
>>              * case its relfilenumber changed.  We must do this during phase 1
>>              * in case the relation is consulted during rebuild of other
>>              * relcache entries in phase 2.  It's safe since consulting the
>>              * map doesn't involve any access to relcache entries.
>>              */
>>             if (RelationIsMapped(relation))
>>                 RelationInitPhysicalAddr(relation);
> 
> That's where we change the relfilenumber, before the
> RelationClearRelation() call.

Pushed a fix that way.

-- 
Heikki Linnakangas
Neon (https://neon.tech)